Also, if you want to continue to PhD study in math, you may want to continue your high school French to a higher level. PhD programs often require reading proficiency in French, German, or Russian, due to many math research papers being written in those languages.
In addition, more selective undergraduate colleges commonly prefer to see higher level of high school foreign language than year 2. They may also have foreign language graduation requirements that have proficiency requirements significantly higher than high school year 2.